PetArmor Sure Shot 2X (pyrantel pamoate) Liquid De-wormer for Dogs removes 4 species of worms-2 roundworms and 2 hookworms-while preventing the reinfestation of large roundworms (T canis) in adult dogs. This vet-quality liquid dewormer is safe for puppies 2 weeks and older and dogs of all sizes and breeds. Administer 1 full teaspoon (5 mL) for each 10 lbs. of your dogs body weight. Puppies should be treated with PetArmor Dewormer at 2, 3, 4, 6, 8, and 10 weeks. Adult dogs should be treated in monthly intervals if in heavily contaminated quarters